Cheat Gnome:
Press L1, R1, Up, X, R2 during game play. The Cheat Gnome (ir looks like a fire hydrant but a differnt colour) will now appear in the area (it also apears if you move so you dont have to do it again) and the following codes may now be enabled.
9,999 Simoleons:
Enable the Cheat Gnome code, then press R1, L1, R2, Right, Left during game play. Select the Cheat Gnome, then Interaction/Location: Give Simoleons.
Full motives:
Enable the Cheat Gnome code, then press Up, Circle, Up, Right, L2 during game play. Select the Cheat Gnome to access the option to fill all motives. this means you will always be happy
All lots unlocked:
Enable the Cheat Gnome code, then press Circle, L2, Left, Circle, Up, Circle during game play. Select the Cheat Gnome, then Interaction/Location: Unlock/Unlock All Locations.
Advance time by 6 hours:
Enable the Cheat Gnome code, then press Circle, Square, L1, Up, Down during game play. Select the Cheat Gnome, then Interaction/Location: Advance 6 Hours.
Set Skill level:
Enable the Cheat Gnome code, then press Triangle, Circle, Square, R2, Left during game play. Select the Cheat Gnome, then Interaction/Location: Change Skill - /Change to .
All objects unlocked:
Enable the Cheat Gnome code, then press L2, Circle, Down, Left, Up during game play.
All recipes unlocked:
Enable the Cheat Gnome code, then press R2, Square, Up, Down, Right, X during game play.
All clothes unlocked:
Enable the Cheat Gnome code, then press Square, R2, Down, Right, Square during game play. (thew brain hat isnt affected by the cheat as you can only get it by compleating the game all jobs full etc)
Audio track:
Enable the Cheat Gnome code, then press R1, L1, R1, L1, Triangle during game play.
Development team picture:
Press Right, Down, Right, Down, Right at the title screen. Note: The cheat gnome is not required for this code. A Sim voice will confirm correct code entry. (note realy sure what this does but do it anyway)